Advertisements
Advertisements
प्रश्न
If the work done by a force in moving an object through a distance of 20 cm is 24.2 J, what is the magnitude of the force?
Advertisements
उत्तर
Work done in moving the body, (W) = 24.2 J
Distance travelled by the body, (S) = 0.2 m
We have a relation as,
`F = W/S`
Therefore ,
`F = 24.2/0.2` N
= 121 N
APPEARS IN
संबंधित प्रश्न
Differentiate between energy and power.
State two advantage of producing hydroelectricity.
State the law of conservation of energy.
Define the term 'work'. Write the formula for the work done on a body when a force acts on the body in the direction of its displacement. Give the meaning of each symbol which occurs in the formula.
How much work is done when a force of 2 N moves a body through a distance of 10 cm in the direction of force?
Each of the following statement describes a force acting. Which force is causing work to be done?
Is the motion of moon around the earth in circular path an accelerated motion?
A 100 W electric lamp emits energy in the form of light at the rate 10 J per second. What percentage of electric energy does the lamp transform into light energy?
State whether work is done or not, by writing yes or no, in the following case:
A boy climbs up 20 stairs.
